Baumann chest compound microscope
Date1775-1800
Inventory Number1253
ClassificationMicroscope
Subject
Maker
Baumann
fl. 1760 - 1830
Cultural Region
Place of Origin
Dimensionsmicroscope: 40 × 15.2 × 12.3 cm (15 3/4 × 6 × 4 13/16 in.)
case: 15.5 × 36 × 24.8 cm (6 1/8 × 14 3/16 × 9 3/4 in.)
case: 15.5 × 36 × 24.8 cm (6 1/8 × 14 3/16 × 9 3/4 in.)
Material
Accessories6 objectives: 1-6; 1 eyepiece; 1 partial objective; a lieberkuhn in a brass box; 2 wooden sliders; 1 ivory slider; ivory box with cover slips and springs; 2 spring stages (slider holders); cup diaphragm; wheel diaphragm; frog plate; 2 live boxes; tweezers; steel tweezers with pin; magnifying glass; 2 ivory rings; horizontal box.
DescriptionMade of brass, this chest microscope has a tube that holds the ocular and objective lenses sitting in a ring on a bracket screwed to the top of square brass post. The post is hinged to the base of the wooden storage chest. The stage is raised and lowered with rackwork on the post in order to focus.
The stage has three "lobes" protruding from its sides for the purpose of holding stage accessories.There is a brass spring underneath. The concave substage mirror is fork-mounted to a swinging arm, which is raised and lowered on the post in a slot and secured with a locking screw
The mahogany case is dovetailed and fitted, padded with green silk, and has a lock. The top of the case has a wooden insert where a plaque originally was.
Accessories include 6 objectives (nos. 1-6); 1 eyepiece with a sliding cover; a lieberkuhn in a brass box; 2 spring stagse to hold slides; 2 live boxes; a cup diaphragm; a wheel diaphragm; a cylindrical ivory box with screw caps on both ends to hold mica cover slips and brass springs; 2 large wooden slides with round and oval mica windows; 1 ivory slide; steel tweezers with a long pin at the back end; smaller brass tweezers; a frog plate; magnifying glass with brass handle; part of an objective; and 2 ivory rings (partly broken).
There is a rectangular block of painted soft wood, which formerly served as a display stand. It is not original to the instrument.
The stage has three "lobes" protruding from its sides for the purpose of holding stage accessories.There is a brass spring underneath. The concave substage mirror is fork-mounted to a swinging arm, which is raised and lowered on the post in a slot and secured with a locking screw
The mahogany case is dovetailed and fitted, padded with green silk, and has a lock. The top of the case has a wooden insert where a plaque originally was.
Accessories include 6 objectives (nos. 1-6); 1 eyepiece with a sliding cover; a lieberkuhn in a brass box; 2 spring stagse to hold slides; 2 live boxes; a cup diaphragm; a wheel diaphragm; a cylindrical ivory box with screw caps on both ends to hold mica cover slips and brass springs; 2 large wooden slides with round and oval mica windows; 1 ivory slide; steel tweezers with a long pin at the back end; smaller brass tweezers; a frog plate; magnifying glass with brass handle; part of an objective; and 2 ivory rings (partly broken).
There is a rectangular block of painted soft wood, which formerly served as a display stand. It is not original to the instrument.
Signedon barrel: Baumann, / Stuttgart
ProvenanceDavid Wheatland purchased from Roux-Devillas Paris, March 1, 1967 (lot 6/1197). Donated to CHSI May 17, 1967.
Robert Brettell Bate
Date: 1800-1825
Accessories: 2 objective lenses with lieberkuhns; 4 objectives; 3 ivory slides; stage forceps; brass tweezers; mica cover slips and wire retaining rings in ivory box; drop-in spring stage to hold slides; case.
Object number: 1013
Harmanus van Deyl
Date: 1807
Accessories: 2 objectives; 2 eye lenses for a fixed field lens; 1 Lieberkühn; frogplate; bull's eye; stage forceps; spring stage; live box; hand lens; 2 tweezers; 2 boxes with 59 specimen slides; glass disk; black disk; "fish" tube with wire; ivory box of mica cover slips; 5 glass slides; 3 lenses; 2 keys.
Object number: 2002-1-0075a
W. & S. Jones
Date: circa 1795
Accessories: rotating disc with 6 objectives: 1, 2, 3, 4, 5, 6; objectives with Lieberkuhn reflectors (2); Lieberkuhn attachment; conical diaphragm, stage forceps with calipers; fish plate; silk ribbon; tweezers; Bonanni spring stage; prepared ivory slides (7), standing case.
Object number: 1041
Claude-Siméon Passemant
Date: 1749-1769
Accessories: ocular; objectives (7); bull's eye condenser; Lieberkühn for stage mounting; cone diaphragm; spring frame for slides; frog plate; stage forceps; large and small black and white disks (2); round micrometer slide with fine wire screen; low-power lens; black aperture disk; brass slider for 4 specimens; ivory slides--rectangular (6); ivory slides--circular (2); brass slide with aperture to hold circular ivory slides; boxes (2) of round ivory slides (40 in total).
Object number: 1182
Edmund Culpeper
Date: circa 1730
Accessories: 6 objectives for screw-barrel microscope; 3 objectives for compound body; 1 lieberkuhn; 1 opaque attachment; brass box; 2 ivory slides, 1 brass wet-cell slide; tweezer; ivory handle; glass specimen fish tube; storage box; instruction booklet by Culpeper (stored in instrument file).
Object number: 1173
Edward Marmaduke Clarke
Date: 1838-1840
Accessories: 5 objectives for simple microscope; 2 objectives for compound microscope (1 in can; 1 with lieberkuhn); cup diaphragm with lieberkuhn in brass box; brass box of cover slips; stage forceps; tweezers; 2 live boxes; frog plate; bull's eye; fish tube wire; wrench; chamois; 2 unmounted lenses; 40 prepared slides; standing case; 2 keys.
Object number: 1018
George Adams (I)
Date: circa 1770
Accessories: objective (8); objective (3) with Lieberkühns; eyepiece (2); eye shade; lens to make the stand a simple aquatic microscope; hand lens; insert (7) for stage; insect box; spring clamp (2); narrow ivory slider (11); narrow ebony slider (9); wide wooden slider (6); ivory box (2) for mica covers; specialized tweezer (4); ivory handled dissection tool (3); flexible arm for holding a magnifying lens; small articulated bull's eye to fit on stage; special four-position slider for quick mounting of small specimens; lens of ~45 mm diameter
Object number: 2002-1-0047
Benjamin Wood
Date: 1820
Accessories: 10 objectives, numbered 1-10 (caps on 1 and 2); 4 objectives with lieberkuhns (one lens missing); 2 oculars; 3 simple lenses in eye cups; diaphragm cone; live box; spring stage; three-wing stage; double-convex lens on rod; simple-lens carrier on an arm; ivory black/white disk; 1 ivory disk with cork; 3 flat glass disks of differing sizes; 1 large glass disk in threaded brass rim; 1 watch glass; 3 large glass, magnifying lenses, one tinted green; 2 small magnifying glasses; stage condensor; fish plate; 2 stage forceps; 1 stage 3-pronged gripper; tweezers; 3 ivory handled knives for preparations; 10 small and 3 medium ivory slides of transparent specimens; 3 ivory slides of opaque specimens; 3 boxwood slides of transparent specimens; 1 brass wet-cell slide with 4 apertures for preparations; 2 cylindrical ivory boxes with mica cover slips and snap rings; wrench; chamois; flat case with sockets for the above; key.
Object number: 1002
R. & J. Beck
Date: circa 1878
Accessories: oculars (3); eye mask; Beck objectives with cans (2): 1, 1/6 in.; anonymous onjective: 1/15 in homog. im..; tweezers; triple nosepiece; Rousselet-type sliding stage; Abbe condenser; iris diaphgragm; cover slips (2); prescription envelope; instructions; lock parts; standing case with key.
Object number: 1362
English
Date: circa 1830
Accessories: 4 objectives; 1 ocular; live box with glass; ivory black / white disk; stage forceps; dissecting needle; brass tweezers; watch glass; 3 ivory slides; glass slide; specimen list; box with key.
Object number: 1003
Alexander Mackenzie
Date: circa 1820
Accessories: 2 stage forceps; tweezers; live box; substage mirror; convertible objective of three lenses; 3 ivory slides; magnifier lens; cardboard box for covers; instruction sheet; flat case.
Object number: 1261
François-Antoine Jecker
Date: circa 1801
Accessories: 1 Objective: 1, with male thread 11mm dia. x 0.6 mm; fixed ocular; tweezers; glass slide; ivory slide with 5 positions containing 5 specimens; watch glass; mahogany flat case.
Object number: 1216